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Discussion Starter #1
I just bought an 06 Rhino 660, and when I try and get it up to 17+ mph it makes a thudding noise in the exhaust and has power loss. Is it a jetting issue? It's backfired one when I was slowing down, but not much other than that. It just doesn't want to run clean at high RPM's. Any suggestions?
 

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Pull the sheave cover and rev it up in neuteral and see if the belt is riding up in the sheave like its suppose to


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kind of a long shot but i remember something you could add that was a yamaha accessory it was a limiter you could add for your kids.
 
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